What change if any should someone make if they have money in robo-investing services like wealthfront? Is shifting money to cash or lower risk robo accounts a s

What change if any should someone make if they have money in robo-investing services like wealthfront? Is shifting money to cash or lower risk robo accounts a sensible strategy, or have undesirable consequences crystallizing losses/gains, a somewhat expensive perturbation going against the robo algorithms that you have elected to trust?